<template>
	<view class="search-box">
		<my-search @on-click="onClickHandler">搜索</my-search>
	</view>
	<view>
		<!-- 轮播图区域 -->
		<swiper v-if="swiperList.length" :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000"
			:circular="true" class="home-swiper">
			<swiper-item v-for="(item, i) in swiperList" :key="i">
				<navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id">
					<image :src="item.image_src" mode="aspectFill"></image>
				</navigator>
			</swiper-item>
		</swiper>

		<!-- 分类导航区域 -->
		<view class="nav-list" v-if="navList.length">
			<view class="nav-item" v-for="(item, i) in navList" :key="i" @click="navClickHandler(item)">
				<image :src="item.image_src" class="nav-img" mode="aspectFit"></image>
			</view>
		</view>

		<!-- 楼层区域 -->
		<view class="floor-list" v-if="floorList.length">
			<view class="floor-item" v-for="(item, i) in floorList" :key="i">
				<!-- 楼层标题 -->
				<image v-if="item.floor_title" :src="item.floor_title.image_src" class="floor-title" mode="widthFix">
				</image>

				<!-- 楼层图片区域 -->
				<view class="floor-img-box" v-if="item.product_list && item.product_list.length">
					<!-- 左侧大图片 -->
					<view class="left-img-box">
						<image :src="item.product_list[0].image_src" mode="widthFix"></image>
					</view>

					<!-- 右侧图片区域 -->
					<view class="right-img-box">
						<!-- 普通图片区域 -->
						<view class="normal-img-box">
							<view class="normal-img-item" v-for="(item2, i2) in getNormalProductList(item.product_list)"
								:key="i2">
								<image :src="item2.image_src" mode="widthFix"></image>
							</view>
						</view>

						<!-- 红色圈出的图片区域 - 上下布局 -->
						<view class="special-img-box" v-if="getSpecialProductList(item.product_list).length > 0">
							<view class="special-img-item"
								v-for="(item3, i3) in getSpecialProductList(item.product_list)" :key="'special-' + i3">
								<image :src="item3.image_src" mode="widthFix"></image>
							</view>
						</view>
					</view>
				</view>
			</view>
		</view>
	</view>
</template>

<script>
	import {
		getSwiperData,
		getNavData,
		getFloorData
	} from '../../api/home.js';
	
	export default {
		data() {
			return {
				//wh变量，
				wh:0,
				swiperList: [],
				navList: [],
				floorList: [],
			}
		},
		onLoad() {
			const sysInfo=uni.getSystemInfoSync();
			// 可用高度 = 屏幕高度 - navigationBar高度 - tabBar高度 - 自定义的search组件高度
			this.wh=sysInfo.windowHeight-50
			this.getSwiperList()
			this.getNavList()
			this.getFloorList()
		},
		methods: {
			async getSwiperList() {
				try {
					this.swiperList = await getSwiperData()
				} catch (err) {
					console.error('轮播图请求失败：', err)
					uni.showToast({
						title: '轮播图加载失败',
						icon: 'none'
					})
				}
			},
			async getNavList() {
				try {
					this.navList = await getNavData()
				} catch (err) {
					console.error('分类导航请求失败：', err)
					uni.showToast({
						title: '分类导航加载失败',
						icon: 'none'
					})
				}
			},
			async getFloorList() {
				try {
					this.floorList = await getFloorData()
				} catch (err) {
					console.error('楼层数据请求失败：', err)
					uni.showToast({
						title: '楼层加载失败',
						icon: 'none'
					})
				}
			},
			navClickHandler(item) {
				if (item.name === '分类') {
					uni.switchTab({
						url: '/pages/cate/cate',
						fail: (err) => {
							console.error('跳转分类页失败：', err)
							uni.showToast({
								title: '跳转失败，请检查配置',
								icon: 'none'
							})
						}
					})
				}
			},
			// 获取普通图片列表（排除红色圈出的图片）
			getNormalProductList(productList) {
				if (!productList || productList.length <= 1) return [];

				const rightImages = productList.slice(1);
				const redCircledIndices = [1, 2]; // 根据你的图片调整这些索引

				return rightImages.filter((item, index) =>
					!redCircledIndices.includes(index)
				);
			},

			// 获取红色圈出的特殊图片列表
			getSpecialProductList(productList) {
				if (!productList || productList.length <= 1) return [];

				const rightImages = productList.slice(1);
				const redCircledIndices = [1, 2]; // 根据你的图片调整这些索引

				return rightImages.filter((item, index) =>
					redCircledIndices.includes(index)
				);
			},
			//搜索
			onClickHandler(){
				uni.navigateTo({
					url:'/subpkg/search/search'
				})
			}
		},
	}
</script>

<style lang="scss" scoped>
	.search-box {
	  // 设置定位效果为“吸顶”
	  position: sticky;
	  // 吸顶的“位置”
	  top: 0;
	  // 提高层级，防止被轮播图覆盖
	  z-index: 999;
	}
	.my-search-container {
	  // 移除背景颜色，改由 props 属性控制
	  background-color: #C00000;
	  height: 50px;
	  padding: 0 10px;
	  display: flex;
	  align-items: center;
	}
	
	.my-search-box {
	  height: 36px;
	  background-color: #ffffff;
	  // 移除圆角尺寸，改由 props 属性控制
	  border-radius: 15px;
	  width: 100%;
	  display: flex;
	  align-items: center;
	  justify-content: center;
	
	  .placeholder {
	    font-size: 15px;
	    margin-left: 5px;
	  }
	}
	
	.home-swiper {
		height: 330rpx;

		.swiper-item {
			width: 100%;
			height: 100%;

			image {
				width: 100%;
				height: 100%;
				display: block;
			}
		}
	}
	
	.nav-list {
		display: flex;
		justify-content: space-around;
		align-items: center;
		padding: 20rpx 0;
		background-color: #fff;

		.nav-item {
			display: flex;
			justify-content: center;
			align-items: center;

			.nav-img {
				width: 128rpx;
				height: 140rpx;
			}
		}
	}

	.floor-list {
		.floor-item {
			margin-bottom: 0;

			.floor-title {
				width: 100%;
				height: 60rpx;
				display: block;
			}

			.floor-img-box {
				display: flex;
				padding: 0;
				gap: 0;

				.left-img-box {
					flex: 1;

					image {
						width: 100%;
						height: auto;
						display: block;
					}
				}

				.right-img-box {
					flex: 1;
					display: flex;
					flex-direction: column;

					.normal-img-box {
						display: flex;
						flex-wrap: wrap;

						.normal-img-item {
							width: 50%;

							image {
								width: 100%;
								height: auto;
								display: block;
							}
						}
					}

					.special-img-box {
						display: flex;
						flex-direction: column;

						.special-img-item {
							width: 100%;
							height: 150rpx;
							/* 调整特殊图片的高度 */

							image {
								width: 100%;
								height: 100%;
								display: block;
								object-fit: cover;
								/* 确保图片填充容器 */
							}
						}
					}
				}
			}
		}
	}

	/* 去除所有多余的空白和间距 */
	view,
	image,
	swiper,
	swiper-item {
		box-sizing: border-box;
	}

	.floor-list .floor-item:last-child {
		margin-bottom: 0;
	}
</style>